diff options
| author |  Rasmus Munk Larsen <rmlarsen@google.com> | 2021-02-24 17:49:20 -0800 |
|---|---|---|
| committer | Rasmus Munk Larsen <rmlarsen@google.com> | 2021-02-24 17:49:20 -0800 |
| commit | 841c8986f8de0b4984b234b1bde49b9418dba7a6 (patch) | |
| tree | dc1b5bd0b24050c32849e9c06837f293b9e59774 /Eigen/src/Core/Redux.h | |
| parent | c31ead8a15e7ddc91b4d02962164639f7ce9f4dc (diff) | |
Make it possible to specify NaN propagation strategy for maxCoeff/minCoeff reductions.
Diffstat (limited to 'Eigen/src/Core/Redux.h')
| -rw-r--r-- | Eigen/src/Core/Redux.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Eigen/src/Core/Redux.h b/Eigen/src/Core/Redux.h index 2eef5abc5..4e5affc43 100644 --- a/Eigen/src/Core/Redux.h +++ b/Eigen/src/Core/Redux.h @@ -429,6 +429,21 @@ DenseBase<Derived>::minCoeff() const return derived().redux(Eigen::internal::scalar_min_op<Scalar,Scalar>()); } +/** \returns the minimum of all coefficients of \c *this. + * In case \c *this contains NaN, NaNPropagation determines the behavior: + * NaNPropagation == PropagateFast : undefined + * NaNPropagation == PropagateNaN : result is NaN + * NaNPropagation == PropagateNumbers : result is minimum of elements that are not NaN + * \warning the matrix must be not empty, otherwise an assertion is triggered. + */ +template<typename Derived> +template<int NaNPropagation> +EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE typename internal::traits<Derived>::Scalar +DenseBase<Derived>::minCoeff() const +{ + return derived().redux(Eigen::internal::scalar_min_op<Scalar,Scalar, NaNPropagation>()); +} + /** \returns the maximum of all coefficients of \c *this. * \warning the matrix must be not empty, otherwise an assertion is triggered. * \warning the result is undefined if \c *this contains NaN. @@ -440,6 +455,21 @@ DenseBase<Derived>::maxCoeff() const return derived().redux(Eigen::internal::scalar_max_op<Scalar,Scalar>()); } +/** \returns the maximum of all coefficients of \c *this. + * In case \c *this contains NaN, NaNPropagation determines the behavior: + * NaNPropagation == PropagateFast : undefined + * NaNPropagation == PropagateNaN : result is NaN + * NaNPropagation == PropagateNumbers : result is maximum of elements that are not NaN + * \warning the matrix must be not empty, otherwise an assertion is triggered. + */ +template<typename Derived> +template<int NaNPropagation> +EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE typename internal::traits<Derived>::Scalar +DenseBase<Derived>::maxCoeff() const +{ + return derived().redux(Eigen::internal::scalar_max_op<Scalar,Scalar, NaNPropagation>()); +} + /** \returns the sum of all coefficients of \c *this * * If \c *this is empty, then the value 0 is returned. |